/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 22:50:24,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 22:50:24,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 22:50:24,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 22:50:24,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 22:50:24,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 22:50:24,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 22:50:24,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-01 22:50:24,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 22:50:24,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 22:50:24,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 22:50:24,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 22:50:24,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 22:50:24,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 22:50:24,440 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 22:50:24,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 22:50:24,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 22:50:24,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 22:50:24,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 22:50:24,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 22:50:24,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 22:50:24,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 22:50:24,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:50:24,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 22:50:24,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 22:50:24,444 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 22:50:24,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 22:50:24,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 22:50:24,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 22:50:24,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 22:50:24,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 22:50:24,696 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 22:50:24,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i [2021-06-01 22:50:24,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986add1de/e1339ce9dd2d4ce6a72bad8887dd833f/FLAGafbc7c06e [2021-06-01 22:50:25,179 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 22:50:25,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i [2021-06-01 22:50:25,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986add1de/e1339ce9dd2d4ce6a72bad8887dd833f/FLAGafbc7c06e [2021-06-01 22:50:25,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986add1de/e1339ce9dd2d4ce6a72bad8887dd833f [2021-06-01 22:50:25,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 22:50:25,217 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 22:50:25,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 22:50:25,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 22:50:25,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 22:50:25,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bafb8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25, skipping insertion in model container [2021-06-01 22:50:25,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 22:50:25,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 22:50:25,407 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i[950,963] [2021-06-01 22:50:25,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:50:25,539 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 22:50:25,546 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i[950,963] [2021-06-01 22:50:25,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:50:25,628 INFO L208 MainTranslator]: Completed translation [2021-06-01 22:50:25,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25 WrapperNode [2021-06-01 22:50:25,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 22:50:25,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 22:50:25,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 22:50:25,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 22:50:25,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 22:50:25,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 22:50:25,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 22:50:25,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 22:50:25,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... [2021-06-01 22:50:25,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 22:50:25,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 22:50:25,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 22:50:25,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 22:50:25,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:50:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 22:50:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 22:50:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 22:50:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 22:50:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-01 22:50:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-01 22:50:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-01 22:50:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-01 22:50:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-01 22:50:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-01 22:50:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 22:50:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 22:50:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 22:50:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 22:50:25,728 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 22:50:25,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 22:50:25,988 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-01 22:50:25,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:50:25 BoogieIcfgContainer [2021-06-01 22:50:25,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 22:50:25,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 22:50:25,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 22:50:25,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 22:50:25,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 10:50:25" (1/3) ... [2021-06-01 22:50:25,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60020a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:50:25, skipping insertion in model container [2021-06-01 22:50:25,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:50:25" (2/3) ... [2021-06-01 22:50:25,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60020a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:50:25, skipping insertion in model container [2021-06-01 22:50:25,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:50:25" (3/3) ... [2021-06-01 22:50:25,994 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_tso.oepc.i [2021-06-01 22:50:26,000 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 22:50:26,000 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 22:50:26,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 22:50:26,000 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 22:50:26,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,045 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,045 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,052 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,054 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,054 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,057 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,057 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,066 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,066 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,072 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:50:26,075 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 22:50:26,090 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-01 22:50:26,155 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 22:50:26,155 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 22:50:26,155 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 22:50:26,155 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 22:50:26,155 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 22:50:26,155 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 22:50:26,156 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 22:50:26,156 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 22:50:26,197 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:50:26,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:50:26,206 INFO L82 PathProgramCache]: Analyzing trace with hash 664786297, now seen corresponding path program 1 times [2021-06-01 22:50:26,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:50:26,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327275163] [2021-06-01 22:50:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:50:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:50:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:50:26,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:50:26,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327275163] [2021-06-01 22:50:26,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327275163] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:50:26,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:50:26,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:50:26,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723182834] [2021-06-01 22:50:26,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:50:26,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:50:26,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:50:26,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:50:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:26,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:50:26,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:50:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:26,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 22:50:26,897 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:50:26,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:50:26,899 INFO L82 PathProgramCache]: Analyzing trace with hash -40194374, now seen corresponding path program 1 times [2021-06-01 22:50:26,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:50:26,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702317239] [2021-06-01 22:50:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:50:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:50:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:50:27,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:50:27,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702317239] [2021-06-01 22:50:27,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702317239] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:50:27,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:50:27,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:50:27,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163225566] [2021-06-01 22:50:27,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:50:27,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:50:27,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:50:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:50:27,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:27,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:50:27,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:50:27,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:27,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:50:27,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 22:50:27,674 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:50:27,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:50:27,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1218080327, now seen corresponding path program 1 times [2021-06-01 22:50:27,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:50:27,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595729116] [2021-06-01 22:50:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:50:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:50:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:50:27,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:50:27,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595729116] [2021-06-01 22:50:27,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595729116] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:50:27,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:50:27,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:50:27,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851062710] [2021-06-01 22:50:27,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:50:27,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:50:27,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:50:27,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:50:27,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:27,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:50:27,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:50:27,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:27,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:50:27,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:50:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:50:28,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 22:50:28,213 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:50:28,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:50:28,215 INFO L82 PathProgramCache]: Analyzing trace with hash -609135055, now seen corresponding path program 2 times [2021-06-01 22:50:28,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:50:28,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519508063] [2021-06-01 22:50:28,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:50:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:50:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:50:28,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:50:28,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519508063] [2021-06-01 22:50:28,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519508063] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:50:28,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:50:28,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:50:28,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952282558] [2021-06-01 22:50:28,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:50:28,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:50:28,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:50:28,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:50:28,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:28,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:50:28,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:50:28,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:28,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:50:28,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:50:28,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:50:28,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:50:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:50:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:50:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:50:28,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 22:50:28,877 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 22:50:28,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 10:50:28 BasicIcfg [2021-06-01 22:50:28,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 22:50:28,879 INFO L168 Benchmark]: Toolchain (without parser) took 3662.60 ms. Allocated memory was 375.4 MB in the beginning and 465.6 MB in the end (delta: 90.2 MB). Free memory was 337.4 MB in the beginning and 279.0 MB in the end (delta: 58.5 MB). Peak memory consumption was 149.2 MB. Max. memory is 16.0 GB. [2021-06-01 22:50:28,879 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 375.4 MB. Free memory is still 355.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:50:28,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.30 ms. Allocated memory is still 375.4 MB. Free memory was 337.3 MB in the beginning and 337.1 MB in the end (delta: 178.4 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:50:28,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.22 ms. Allocated memory is still 375.4 MB. Free memory was 337.1 MB in the beginning and 335.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:50:28,880 INFO L168 Benchmark]: Boogie Preprocessor took 13.73 ms. Allocated memory is still 375.4 MB. Free memory was 335.0 MB in the beginning and 333.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:50:28,881 INFO L168 Benchmark]: RCFGBuilder took 310.14 ms. Allocated memory is still 375.4 MB. Free memory was 333.9 MB in the beginning and 307.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-01 22:50:28,881 INFO L168 Benchmark]: TraceAbstraction took 2888.03 ms. Allocated memory was 375.4 MB in the beginning and 465.6 MB in the end (delta: 90.2 MB). Free memory was 307.7 MB in the beginning and 279.0 MB in the end (delta: 28.7 MB). Peak memory consumption was 121.0 MB. Max. memory is 16.0 GB. [2021-06-01 22:50:28,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 375.4 MB. Free memory is still 355.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 409.30 ms. Allocated memory is still 375.4 MB. Free memory was 337.3 MB in the beginning and 337.1 MB in the end (delta: 178.4 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 35.22 ms. Allocated memory is still 375.4 MB. Free memory was 337.1 MB in the beginning and 335.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.73 ms. Allocated memory is still 375.4 MB. Free memory was 335.0 MB in the beginning and 333.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 310.14 ms. Allocated memory is still 375.4 MB. Free memory was 333.9 MB in the beginning and 307.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2888.03 ms. Allocated memory was 375.4 MB in the beginning and 465.6 MB in the end (delta: 90.2 MB). Free memory was 307.7 MB in the beginning and 279.0 MB in the end (delta: 28.7 MB). Peak memory consumption was 121.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 62695, positive: 61479, positive conditional: 61479, positive unconditional: 0, negative: 1216, negative conditional: 1216, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 62286, positive: 61479, positive conditional: 61479, positive unconditional: 0, negative: 807, negative conditional: 807, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 62286, positive: 61088, positive conditional: 0, positive unconditional: 61088, negative: 1198, negative conditional: 0, negative unconditional: 1198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 683, positive: 669, positive conditional: 0, positive unconditional: 669, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 683, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 19, positive conditional: 12, positive unconditional: 7, negative: 60, negative conditional: 14, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62286, positive: 60419, positive conditional: 0, positive unconditional: 60419, negative: 1184, negative conditional: 0, negative unconditional: 1184, unknown: 683, unknown conditional: 0, unknown unconditional: 683] , Statistics on independence cache: Total cache size (in pairs): 704, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 19, positive conditional: 12, positive unconditional: 7, negative: 60, negative conditional: 14, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3384, positive: 381, positive conditional: 381, positive unconditional: 0, negative: 2982, negative conditional: 522, negative unconditional: 2460, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 704, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 2460, SemanticConditionEliminator.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 19, positive conditional: 12, positive unconditional: 7, negative: 60, negative conditional: 14, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3384, positive: 381, positive conditional: 381, positive unconditional: 0, negative: 2982, negative conditional: 522, negative unconditional: 2460, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 704, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 2460, SemanticConditionEliminator.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 19, positive conditional: 12, positive unconditional: 7, negative: 60, negative conditional: 14, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3384, positive: 381, positive conditional: 381, positive unconditional: 0, negative: 2982, negative conditional: 522, negative unconditional: 2460, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 704, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 2460, SemanticConditionEliminator.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3384, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 2993, negative conditional: 533, negative unconditional: 2460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 19, positive conditional: 12, positive unconditional: 7, negative: 60, negative conditional: 14, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3384, positive: 381, positive conditional: 381, positive unconditional: 0, negative: 2982, negative conditional: 522, negative unconditional: 2460, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 704, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 2460 ], Maximal queried relation: 4, Independence queries for same thread: 409 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2768.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 1943.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.2ms SsaConstructionTime, 115.8ms SatisfiabilityAnalysisTime, 493.0ms InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 1130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...